Before Professor Proton, Bob Newhart. This is not the best version of this sketch and the whole thing takes in the Potatoe as well. But you get the idea, the 60's equivalent of Four Candles.
Apparently Parsons walked off the set and isn't coming back, had another row with Galecki. Probably the roommate agreement again.
This paved the way for satirical new site Empire News to publish a story that Parsons will no longer be part of season 8. The hoax article reads: "Sheldon Cooper...